Lingshou County Jiaqi Mineral Processing Factory
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  • Contact Person : Ms. Luo MingXia
  • Company Name : Lingshou County Jiaqi Mineral Processing Factory
  • Tel : 86-0311-80817860
  • Fax : 86-0311-83626922
  • Address : Hebei,Shijiazhuang,Yanchuan Industry Zone, Lingshou County
  • Country/Region : China
  • Zip : 050000

High quality Calcium Bentonite

High quality Calcium Bentonite
Product Detailed
good adhesive Strength the intensity Widely used in water treatment well drillingand as the filings of the paper industry

Bentonite is an absorbent aluminium phyllosilicate, in general, impure clay consisting mostly of montmorillonite. There are different types of bentonites, and their names depend on the dominant elements, such as potassium (K), sodium (Na), calcium (Ca), and aluminum (Al). As noted in several places in the geologic literature, there are some nomenclatorial problems with the classification of bentonite clays. Bentonite usually forms from weathering of volcanic ash, most often in the presence of water. However, the term bentonite, as well as a similar clay called tonstein, has been used for clay beds of uncertain origin. For industrial purposes, two main classes of bentonite exist: sodium and calcium bentonite. In stratigraphy and tephrochronology, completely devitrified (weathered volcanic glass) ash-fall beds are commonly referred to as K-bentonites when the dominant clay species is illite. Other common clay species, and sometimes dominant, are montmorillonite and kaolinite. Kaolinite-dominated clays are commonly referred to as tonsteins and are typically associated with coal.

Calcium bentonite is a useful adsorbent of ions in solution, as well as fats and oils, being a main active ingredient of fuller's earth, probably one of the earliest industrial cleaning agents. Calcium bentonite may be converted to sodium bentonite (termed sodium beneficiation or sodium activation) to exhibit many of sodium bentonite's properties by a process known as "ion exchange" (patented in 1935 by Germans U Hofmann and K Endell). In common usage, this means adding 5–10% of a soluble sodium salt such as sodium carbonate to wet bentonite, mixing well, and allowing time for the ion exchange to take place and water to remove the exchanged calcium.[citation needed] Some properties, such as viscosity and fluid loss of suspensions, of sodium-beneficiated calcium bentonite (or sodium-activated bentonite) may not be fully equivalent to those of natural sodium bentonite.For example, residual calcium carbonates (formed if exchanged cations are insufficiently removed) may result in inferior performance of the bentonite in geosynthetic liners

Specifications

1. used in casting molding sand 2. asbestos thermal insulation material 3. well drilling 4. carrier or diluent

Calcium Bentonite

[Use]

1. It’s mainly used in the casting molding sand

2. use as the cementing agent in the asbestos thermal insulation material

3. radioactive waste absorbent

4. In the agricultural chemicals use as carrier or diluent, pesticide

5. well drilling, mud rinse solution etc. 

[Casting Performance]

Wet Pressure Strength

(kg/cM2)

Hot Wet Tensile Strength

(gf/M2)

Sol Value

(%)

Adsorb Methylene Blue

(g/100g soil)

Granularity

(pass 200 mesh sieve %)

Expansion Multiple

Water

(%)

>0.3

≥16

≥60

38

95

≥10

≤12

[Mud Performance]

Make Mud Rate

(M2/t)

Viscosity

(op)

Water Loss

(ml)

Sand Content

(%)

Granularity

(mesh)

Water

(%)

Sol Value

(%)

Adsorb Methylene Blue

(g/100g soil)

Expansion Multiple

>12

≥15

<13

≤1.0

200

<10

<70

34

>10

[Product Packaging]

50kg plastic woven bag, moisture-proof storage and transport.

.

High quality Calcium Bentonite



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